Table 2.
Number of tested samples (n) for each injection-molded poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) [P(3HB-co-3HHx)]/hydroxyapatite nanoparticles (nHA) parts and the type of statistical test performed for each testing method with level of significance (p).
| Testing Method | n | Normality Test | p | Significance Test | p |
|---|---|---|---|---|---|
| Tensile | 6 | Shapiro–Wilk | 0.05 | Tukey | 0.05 |
| Flexural | 6 | Shapiro–Wilk | 0.05 | Tukey | 0.05 |
| Hardness | 7 | Shapiro–Wilk | 0.05 | Tukey | 0.05 |
| Impact strength | 8 | Shapiro–Wilk | 0.05 | Tukey | 0.05 |
| DSC | 3 | - | - | Kruskal-Wallis | 0.05 |
| TGA | 3 | - | - | Kruskal-Wallis | 0.05 |
| DMTA | 3 | - | - | Kruskal-Wallis | 0.05 |
| TMA | 3 | - | - | Kruskal-Wallis | 0.05 |
DSC = differential scanning calorimetry; TGA = thermogravimetric analysis; DMTA = dynamic thermomechanical analysis; TMA = thermomechanical analysis.